Finding the Fourth Proportional to 479,609.28, 719,331.84 and 159,724.80
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Solution
The fourth proportional to 479,609.28, 719,331.84 and 159,724.80 is: 239,559.86
Step by Step Solution
- Step 1: Write the proportion equation
479,609.28 : 719,331.84 = 159,724.80 : x - Step 2: Convert to fraction form
479,609.28/719,331.84 = 159,724.80/x - Step 3: Cross multiply
479,609.28x = 719,331.84 × 159,724.80 - Step 4: Simplify right side
479,609.28x = 114,895,134,277.63 - Step 5: Solve for x
x = 114,895,134,277.63/479,609.28 - Step 6: Final answer
x = 239,559.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.